fix doc

Author: PeterChou1

llvm/docs/CommandGuide/llvm-mustache-spec.rst renamed to llvm/docs/CommandGuide/llvm-mustachespec.rst

@@ -1,5 +1,5 @@
-llvm-mustache-spec
-==================
+llvm-mustachespec
+=================
 
 llvm-mustachespec test the mustache spec conformance of the LLVM
 mustache library. The spec can be found here https://github.com/mustache/spec

llvm/docs/conf.py

@@ -283,11 +283,7 @@ def process_rst(name):
                 file=sys.stderr,
             )
         # Split the name out of the title.
-        try:
-            name, description = title.split(" - ", 1)
-        except:
-            raise ValueError(title)
-        
+        name, description = title.split(" - ", 1)
         man_pages.append(
             (file_subpath.replace(".rst", ""), name, description, man_page_authors, 1)
         )

llvm/test/lit.cfg.py

@@ -233,6 +233,7 @@ def get_asan_rtlib():
         "llvm-c-test",
         "llvm-cxxfilt",
         "llvm-xray",
+        "llvm-mustachespec"
         "yaml2obj",
         "obj2yaml",
         "yaml-bench",